13019845

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4421}}^1$

素因数の和:4476

約数の個数: 16

約数和(自身を含む): 16980480

約数和(自身を除く): 3960635

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 4421, 22105, 83999, 137051, 419995, 685255, 2603969, 13019845]

約数ペア:

[(1, 13019845), (5, 2603969), (19, 685255), (31, 419995), (95, 137051), (155, 83999), (589, 22105), (2945, 4421)]